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Reverting alternate redund block layout in lfsr_mdir_t

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See the previous commit for the reason. The alternate redund block
layout is just inferior in terms of both code and RAM.
This commit is contained in:
Christopher Haster
2023-11-26 12:44:00 -06:00
parent 9d182c2055
commit 51e39747c0
6 changed files with 810 additions and 847 deletions
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tests/test_alloc.toml
+27 -24
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@@ -176,22 +176,23 @@ code = '''
if (tinfo.tag == LFSR_TAG_MDIR) {
printf("traversal: 0x%x mdir 0x{%x,%x}\n",
tinfo.tag,
tinfo.u.mdir.blocks[0],
tinfo.u.mdir.blocks[1]);
tinfo.u.mdir.rbyd.blocks[0],
tinfo.u.mdir.rbyd.blocks[1]);
// keep track of seen blocks
seen[tinfo.u.mdir.blocks[1] / 8]
|= 1 << (tinfo.u.mdir.blocks[1] % 8);
seen[tinfo.u.mdir.blocks[0] / 8]
|= 1 << (tinfo.u.mdir.blocks[0] % 8);
seen[tinfo.u.mdir.rbyd.blocks[1] / 8]
|= 1 << (tinfo.u.mdir.rbyd.blocks[1] % 8);
seen[tinfo.u.mdir.rbyd.blocks[0] / 8]
|= 1 << (tinfo.u.mdir.rbyd.blocks[0] % 8);
} else if (tinfo.tag == LFSR_TAG_BRANCH) {
printf("traversal: 0x%x btree 0x%x.%x\n",
tinfo.tag,
tinfo.u.rbyd.block, tinfo.u.rbyd.trunk);
tinfo.u.rbyd.blocks[0], tinfo.u.rbyd.trunk);
// keep track of seen blocks
seen[tinfo.u.rbyd.block / 8] |= 1 << (tinfo.u.rbyd.block % 8);
seen[tinfo.u.rbyd.blocks[0] / 8]
|= 1 << (tinfo.u.rbyd.blocks[0] % 8);
} else {
// this shouldn't happen
@@ -332,22 +333,23 @@ code = '''
if (tinfo.tag == LFSR_TAG_MDIR) {
printf("traversal: 0x%x mdir 0x{%x,%x}\n",
tinfo.tag,
tinfo.u.mdir.blocks[0],
tinfo.u.mdir.blocks[1]);
tinfo.u.mdir.rbyd.blocks[0],
tinfo.u.mdir.rbyd.blocks[1]);
// keep track of seen blocks
seen[tinfo.u.mdir.blocks[1] / 8]
|= 1 << (tinfo.u.mdir.blocks[1] % 8);
seen[tinfo.u.mdir.blocks[0] / 8]
|= 1 << (tinfo.u.mdir.blocks[0] % 8);
seen[tinfo.u.mdir.rbyd.blocks[1] / 8]
|= 1 << (tinfo.u.mdir.rbyd.blocks[1] % 8);
seen[tinfo.u.mdir.rbyd.blocks[0] / 8]
|= 1 << (tinfo.u.mdir.rbyd.blocks[0] % 8);
} else if (tinfo.tag == LFSR_TAG_BRANCH) {
printf("traversal: 0x%x btree 0x%x.%x\n",
tinfo.tag,
tinfo.u.rbyd.block, tinfo.u.rbyd.trunk);
tinfo.u.rbyd.blocks[0], tinfo.u.rbyd.trunk);
// keep track of seen blocks
seen[tinfo.u.rbyd.block / 8] |= 1 << (tinfo.u.rbyd.block % 8);
seen[tinfo.u.rbyd.blocks[0] / 8]
|= 1 << (tinfo.u.rbyd.blocks[0] % 8);
} else if (tinfo.tag == LFSR_TAG_BLOCK) {
printf("traversal: 0x%x block 0x%x\n",
@@ -478,22 +480,23 @@ code = '''
if (tinfo.tag == LFSR_TAG_MDIR) {
printf("traversal: 0x%x mdir 0x{%x,%x}\n",
tinfo.tag,
tinfo.u.mdir.blocks[0],
tinfo.u.mdir.blocks[1]);
tinfo.u.mdir.rbyd.blocks[0],
tinfo.u.mdir.rbyd.blocks[1]);
// keep track of seen blocks
seen[tinfo.u.mdir.blocks[1] / 8]
|= 1 << (tinfo.u.mdir.blocks[1] % 8);
seen[tinfo.u.mdir.blocks[0] / 8]
|= 1 << (tinfo.u.mdir.blocks[0] % 8);
seen[tinfo.u.mdir.rbyd.blocks[1] / 8]
|= 1 << (tinfo.u.mdir.rbyd.blocks[1] % 8);
seen[tinfo.u.mdir.rbyd.blocks[0] / 8]
|= 1 << (tinfo.u.mdir.rbyd.blocks[0] % 8);
} else if (tinfo.tag == LFSR_TAG_BRANCH) {
printf("traversal: 0x%x btree 0x%x.%x\n",
tinfo.tag,
tinfo.u.rbyd.block, tinfo.u.rbyd.trunk);
tinfo.u.rbyd.blocks[0], tinfo.u.rbyd.trunk);
// keep track of seen blocks
seen[tinfo.u.rbyd.block / 8] |= 1 << (tinfo.u.rbyd.block % 8);
seen[tinfo.u.rbyd.blocks[0] / 8]
|= 1 << (tinfo.u.rbyd.blocks[0] % 8);
} else if (tinfo.tag == LFSR_TAG_BLOCK) {
printf("traversal: 0x%x block 0x%x\n",